Home / 14,572.24-21,858.34-10,420.35

Finding the Fourth Proportional to 14,572.24, 21,858.34 and 10,420.35

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Solution

The fourth proportional to 14,572.24, 21,858.34 and 10,420.35 is: 15,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.24 : 21,858.34 = 10,420.35 : x
  2. Step 2: Convert to fraction form
    14,572.24/21,858.34 = 10,420.35/x
  3. Step 3: Cross multiply
    14,572.24x = 21,858.34 × 10,420.35
  4. Step 4: Simplify right side
    14,572.24x = 227,771,464.74
  5. Step 5: Solve for x
    x = 227,771,464.74/14,572.24
  6. Step 6: Final answer
    x = 15,630.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.